<script setup>
import { userRegisterService, userLoginService } from '@/api/user.js'
import { User, Lock } from '@element-plus/icons-vue'
import { ref, watch } from 'vue'
import { useCounterStore } from '@/stores'
import { useRouter } from 'vue-router'

const isRegister = ref(false)
const form = ref()
// 整个的用于提交的form数据对象
const formRegister = ref({
  username: '',
  password: '',
  repassword: ''
})
const formLogin = ref({
  username: '',
  password: ''
})
const router = useRouter()
// store
const CounterStore = useCounterStore()

// 整个表单的校验规则
const rules = {
  username: [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 5, max: 10, message: '用户名必须是5-10的字符', trigger: 'blur' }
  ],
  password: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    {
      pattern: /^[^\u4e00-\u9fa5 ]{6,16}$/,
      message: '密码必须是6-15位的非空字符',
      trigger: 'blur'
    }
  ],
  repassword: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    {
      pattern: /^[^\u4e00-\u9fa5 ]{6,16}$/,
      message: '密码必须是6-15位的非空字符',
      trigger: 'blur'
    },
    {
      validator: (rule, value, callback) => {
        if (value !== formRegister.value.password) {
          callback(new Error('两次输入密码不一致'))
        } else {
          callback()
        }
      }
    }
  ]
}

watch(isRegister, () => {
  formRegister.value = {
    username: '',
    password: ''
  }
})

const register = async () => {
  await form.value.validate() // 因为调用validate是promise异步，所以用await
  const op = await userRegisterService(formRegister.value)
  if (op.data.message == '注册成功！') {
    formLogin.value.username = formRegister.value.username
    formLogin.value.password = formRegister.value.password
    isRegister.value = false
    // formRegister.value = {
    //   username: '',
    //   password: ''
    // }
  } else {
    console.log(op.data.message)
  }
  // console.log('开始注册请求')
  // ElMessage.success('this is a message')
}
const login = async () => {
  await form.value.validate()
  const ap = await userLoginService(formLogin.value)
  CounterStore.setToken(ap.data.token)
  console.log('login', ap.data.token)
  ElMessage.success('登录成功')
  router.push('/article/manage')
}
</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <el-form
        ref="form"
        :model="formRegister"
        :rules="rules"
        size="large"
        autocomplete="off"
        v-if="isRegister"
      >
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input
            :prefix-icon="User"
            v-model="formRegister.username"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            :prefix-icon="Lock"
            v-model="formRegister.password"
            type="password"
            placeholder="请输入密码"
            show-password
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            :prefix-icon="Lock"
            v-model="formRegister.repassword"
            type="password"
            placeholder="请输入再次密码"
            show-password
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button
            @click="register"
            class="button"
            type="primary"
            auto-insert-space
          >
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false">
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>

      <el-form
        ref="form"
        :model="formLogin"
        :rules="rules"
        size="large"
        autocomplete="off"
        v-else
      >
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input
            v-model="formLogin.username"
            :prefix-icon="User"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            name="password"
            v-model="formLogin.password"
            :prefix-icon="Lock"
            type="password"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item class="flex">
          <div class="flex">
            <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码？</el-link>
          </div>
        </el-form-item>
        <el-form-item>
          <el-button
            @click="login"
            class="button"
            type="primary"
            auto-insert-space
            >登录</el-button
          >
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = true">
            注册 →
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
.login-page {
  height: 100vh;
  background-color: #fff;
  .bg {
    background:
      url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
      url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }
  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;
    .title {
      margin: 0 auto;
    }
    .button {
      width: 100%;
    }
    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>
